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开发者发起下单_小程序_抖音开放平台
第一步、抖音小程序发起支付
tt.pay_小程序_抖音开放平台
前端提交订单数据到后端接口，然后使用 tt.pay发起支付
请求参数
| 属性 | 类型 | 必填 | 说明 |
|---|---|---|---|
| order_id | string | 是 | 担保交易服务端订单号 |
| order_token | string | 是 | 担保交易订单号 token |
methods: {requestPayment() {tt.showLoading();getDeviceId().then(deviceId => {tt.request({url: 'https://xxx.comm',method: 'POST',header: {'Content-Type': 'application/json','token': '75dda91d-cb3d-4126-8f63-decee26e9ada'},data: {amount: 1,device_id: deviceId ,sid: 8 ,uid: 1572 ,pricebuy: 1 ,lx: 2 ,priced: 1 ,sum: 1 ,buytype: '抖音' ,},success: (res) => {console.log('orderInfo是：', res.data.data);console.log('order_id：', res.data.data.order_id);console.log('order_id：', res.data.data.order_token);tt.pay({orderInfo: {order_id: res.data.data.order_id,order_token:res.data.data.order_token},service: 5,success(res) {if (res.code == 0) {// 支付成功处理逻辑，只有res.code=0时，才表示支付成功// 但是最终状态要以商户后端结果为准}},fail(res) {// 调起收银台失败处理逻辑},});tt.hideLoading();}});});}}第二步、后端请求抖音预支付接口
1.使用预下单接口
//amount金额 subject标题 body详情 out_trade_no订单号 notify_url回调地址
public function pay($amount,$subject,$body,$out_trade_no,$notify_url){$site=config('site');if($amount<=0){$this->error(__('金额不对'));}$amount=$amount*100;$url = 'https://developer.toutiao.com/api/apps/ecpay/v1/create_order';$data = ["app_id" => $site['douyin']['appid'],"out_order_no" =>$out_trade_no,"total_amount" => $amount,"subject" => $subject,"body" => $body,"valid_time" => 180,"cp_extra" =>$subject,"notify_url" => $notify_url];$data['sign']= dysign($data,$site['douyin']['salt']);$res= jsonPost($url,$data);$res=json_decode($res,true);if(!is_array($res)){$this->error($res);}if($res['err_no']!=0){$this->error($res['err_tips']);}$payData=$res['data'];$this->success('订单提交成功 正在跳转支付',$payData);}2.支付签名
//支付签名
function sign($map,$salt) {$rList = [];foreach($map as $k =>$v) {if ($k == "other_settle_params" || $k == "app_id" || $k == "sign" || $k == "thirdparty_id")continue;$value = trim(strval($v));if (is_array($v)) {$value = arrayToStr($v);}$len = strlen($value);if ($len > 1 && substr($value, 0,1)=="\"" && substr($value, $len-1)=="\"")$value = substr($value,1, $len-1);$value = trim($value);if ($value == "" || $value == "null")continue;$rList[] = $value;}$rList[] =$salt;sort($rList, SORT_STRING);return md5(implode('&', $rList));
}3.http请求
function jsonPost($url, $postData, $customHeaders = []) {// 初始化curl$ch = curl_init($url);// 设置curl选项curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // 注意：不推荐在生产环境中禁用SSL验证curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); // 返回结果而不是直接输出curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); // 跟随重定向curl_setopt($ch, CURLOPT_POST, true); // 发送POST请求curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($postData)); // JSON格式数据// 设置HTTP头curl_setopt($ch, CURLOPT_HTTPHEADER, $customHeaders);// 执行请求$response = curl_exec($ch);// 检查是否有错误发生if (curl_errno($ch)) {$error = 'Curl error: ' . curl_error($ch);curl_close($ch); // 关闭curl资源return $error; // 返回错误信息}curl_close($ch); // 关闭curl资源// 直接返回原始响应，不进行json_decodereturn $response;}第三步回调处理
public function notify(){$post = file_get_contents('php://input');$post=json_decode($post,true);$token='token';//抖音后台配置的token$post['token']=$token;$sign=$this->callbackSign($post);if($sign!=$post['msg_signature']){echo "签名失败";}$return=json_encode(["err_no"=>0,"err_tips"=>'success']);echo $return;exit;}
回调签名
public function callbackSign(array $params) {$data = [$params['timestamp'],(string) $params['nonce'],(string) $params['msg'],(string) $params['token'],];sort($data, SORT_STRING);return hash('sha1', join('', $data));}